John Patrick Lowrie, co-winner of the Best Script for an Audio Drama at the 2015 Moondance International Film Festival and winner of the Best Audio Drama Actor award and Best Audio Drama Adaptation Award at the 2014 Moondance International Film Festival, is the voice of the Sniper in TF2; Pudge, Storm Spirit, Doom, Earthshaker, Shadow Fiend, Ancient Apparition and Dark Seer in DOTA2, Balaram in Lord of the Rings: War in the North, Sword Control in Halo:Reach, Commissioner Kinsler in Halo:ODST, Warden in Infamous, Harold Keegan in F.E.A.R.2: Project Origin, Odessa Cubbage and Citizens in Half-Life 2, Agent Gray in The Matrix Online, Hermes Haight and Sergei in The Suffering, Bruno Lawrie in NOLF and NOLF2, Tammany in Police Quest: SWAT 2, the narrator in Total Annihilation as well as characters in many other video games.

He lives in Seattle with his wife of 33 years, Ellen McLain, the voice of GLaDOS in the Portal games. He has worked as a professional performer all his life, from guitarist and composer to actor, director, conductor and author. His first novel, Dancing With Eternity, won the Foreword Firsts Award for best debut fiction in 2011. Dancing With Eternity was released as an audiobook in June of 2014.

In their latest video game, The Church In The Darkness, released in 2018, he not only voices the character Isaac Walker, he wrote five original songs for the game and arranged five more.